Where is the sculpt tool in 2.70?
In blender 2.70 just as in 2.60 the Sculpt Tools can be found under Brush once in Sculpt Mode.

In the 3d header switch to sculpt mode, note your active selection needs to be a sculptable mesh


In the Tools tab at the very top you will see the brush section. Exapnd it and you will have access to the sculpt brushes